Perhaps you should try some spelling variations:
nang tai » tang tai, sang tai, nang cao
hang tai » hang va, dung tai
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
va dan » ca dan, va dao, va dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang tai) or (hang tai)) roi. hieu va cac xuc va dan ((vai cua) or (hoi chuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang tai) OR (hang tai)) roi. hieu va cac xuc va dan ((vai cua) OR (hoi chuc)) tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang tai) or (hang tai)) roi. hieu va cac xuc va dan ((vai cua) or (hoi chuc)) tre*.